Kamenná
- Quarry
- Stone appearance
- Petrographic examination
- Physical properties
- Frost resistance
- Particle size distribution by image analysis
- Chemical and phase composition
- Notes and literature
Physical properties
Parameter | Number of measurement | Unit | Value | Standard deviation | Coefficient of variation [%] |
---|---|---|---|---|---|
Apparent density | 6 | kg/m3 | 2690 | 3 | 0,10 |
Real density | 2 | kg/m3 | 2740 | - | - |
Open porosity | 6 | % | 0,6 | 0,013 | 2,3 |
Total porosity | výpočtem | % | 1,9 | - | - |
Apparent porosity | výpočtem | % | 0,6 | - | - |
Water absorption | 6 | % | 0,21 | 0,004 | 1,8 |
Water absorption coefficient | 3 | g.m-2.s-1/2 | 1,2 | 0,1 | 5,0 |
Linear thermal expansion | 8 | 106.K-1 | 7,1 | 1,23 | 17,5 |
Compressive strength | 10 | MPa | 132,9 | 13,8 | 10,4 |
Flexural strength | 10 | MPa | 14,9 | 0,6 | 4,0 |
Abrasion resistance | 1 | mm | 17,0 | - | - |